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Search: id:A131573
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A131573 Numbers whose square starts with 3 identical digits. +0
5
149, 298, 334, 472, 667, 745, 882, 1054, 1055, 1056, 1057, 1058, 1490, 1491, 1492, 1493, 1825, 1826, 1827, 2108, 2109, 2356, 2357, 2581, 2582, 2788, 2789, 2980, 2981, 3161, 3162, 3332, 3333, 3334, 3335, 3336, 3337, 3338, 3339, 3340, 3341, 3342, 3343 (list; graph; listen)
OFFSET

1,1

EXAMPLE

149^2 = 22201.

MATHEMATICA

Select[Range[10, 5000], Length[Union[Take[IntegerDigits[ #^2], 3]]] == 1 &]

CROSSREFS

Sequence in context: A107176 A140023 A105843 this_sequence A146137 A071331 A095842

Adjacent sequences: A131570 A131571 A131572 this_sequence A131574 A131575 A131576

KEYWORD

base,nonn

AUTHOR

Tanya Khovanova (tanyakh(AT)yahoo.com), Aug 28 2007

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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